lamptramp Posted January 11, 2014 Report Share Posted January 11, 2014 I recently bought a reasonable condition '02 315R to ease me back into trials after a very long time away. The bike generally runs OK, however, several times now it has faded away quite rapidly at higher revs. It's most noticeable while roading it in fifth. It rides OK for about half a mile and then the power just falls away and it cuts out - as though you'd run out of fuel. It will then start immediately and will run a little rougher than usual and either do the same thing or get over it. Any hints on what I should look for? Many thanks Quote Link to comment Share on other sites More sharing options...
nelly1 Posted January 11, 2014 Report Share Posted January 11, 2014 poss clogged fuel filter blocked tank cap not breathing Quote Link to comment Share on other sites More sharing options...
mont315 Posted January 11, 2014 Report Share Posted January 11, 2014 possibly blocked filter on side of carb or float height is to low and you are running the carb dry (by the time you've started it again its filled up) http://montesacota315.com/en/ Quote Link to comment Share on other sites More sharing options...
lamptramp Posted January 11, 2014 Author Report Share Posted January 11, 2014 Thank you both, I will investigate the filter and the carb settings. Quote Link to comment Share on other sites More sharing options...
monteberg Posted January 11, 2014 Report Share Posted January 11, 2014 hello I had same problem with mine run like champ all day using it as trials machine ,road use or trail (green laning) it had symptons of fuel starvation after 10 mins or so of top gear fixed throttle riding tried everything to fix carb/ign/fuel delivery/ turned out believe or not to be exhaust needed a decoke worth a try Quote Link to comment Share on other sites More sharing options...
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